1 definition by J Vivs

a supreme specimin of female genitalia, connoting
John: "So last night, Jane and I, y'know... for the first time. But DAMN! she had one HELL of a ninjina brah. My vision blurred and I saw stars."

Jack: "No... seriously?"

John: "Ser'sly brah. She had a ninjina dude... a nin-fucking-jina. Totally."

Jack: "Woah."
by J Vivs June 18, 2005
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